Cushion for Shading System Reducing Wind Noise

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Solution Overview

Problem

Existing shading systems are noisy due to wind-induced movement of the section bar within the uprights, leading to damage of the shading material and suboptimal tension, and known cushion solutions are either ineffective or difficult to apply.

Innovation Solution

A cushion system featuring a flexible tongue attached to the section bar, which acts as a spring to absorb movement between the section bar and upright, maintaining optimal tension and reducing noise, while being easy to apply and durable.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the section bar is allowed to move freely in the upright with a predetermined play, then the piece of cloth can be tensioned optimally, but the section bar bangs against the upright causing noise and potential damage

Engineering Contradiction:
Improvetension of piece of clothVSAvoidnoise and damage from section bar impacting upright
Core Design Contradiction:
Stability of the object's compositionVSObject-generated harmful factors

Solution Approach 1:

A cushion is introduced as an intermediary element between the section bar and the upright. The cushion absorbs the impact energy when the section bar moves against the upright, preventing direct contact and the resulting noise and damage, while still allowing the section bar to move sufficiently to maintain optimal tension on the piece of cloth

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The cushion is pre-installed on the upright to provide protective cushioning before the section bar makes contact. This beforehand cushioning prevents the harmful impact by absorbing the kinetic energy of the moving section bar, thereby preventing noise and damage while maintaining the necessary movement for tension

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

2Object-generated harmful factors

If the section bar is rigidly fastened to the upright to prevent movement, then noise and damage are prevented, but the piece of cloth cannot be tensioned optimally and wind damage occurs

Engineering Contradiction:
Improvenoise and damage preventionVSAvoidtension of piece of cloth
Core Design Contradiction:
Object-generated harmful factorsVSStability of the object's composition

Solution Approach 1:

The cushion serves as a mediator that allows controlled movement while preventing harmful impacts. It enables the section bar to move enough to maintain tension on the piece of cloth during normal operation, while simultaneously absorbing impact energies that would cause noise and damage, thus resolving the contradiction between movement and stability

Inventive Principle:
Principle #24Intermediary (Mediator)

3Object-generated harmful factors

If little sponges are used to cushion the impact, then noise is reduced, but the sponges wear out causing detachment and loss of effectiveness

Engineering Contradiction:
Improvenoise reductionVSAvoiddurability of cushioning element
Core Design Contradiction:
Object-generated harmful factorsVSReliability

Solution Approach 1:

The invention changes the material parameter from traditional sponges to a cushion made of flexible plastic or rubber. This material change provides superior durability and resistance to wear, maintaining the cushioning effectiveness over time while reducing noise. The flexible plastic or rubber material does not degrade like sponges, preventing detachment and maintaining reliable performance

Inventive Principle:
Principle #35Parameter changes

4Object-generated harmful factors

If little sponges are applied by hand, then cushioning is provided, but the application process is difficult and time-consuming

Engineering Contradiction:
Improvenoise reductionVSAvoidease of application
Core Design Contradiction:
Object-generated harmful factorsVSEase of operation

Solution Approach 1:

The cushion is designed as a segmented component that can be easily attached to the upright using simple fastening mechanisms. This segmentation allows for straightforward installation without complex tools or procedures, making the application process simple and time-efficient while maintaining the noise-reducing cushioning function

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The cushion system effectively reduces noise and prevents damage to the shading material by absorbing wind-induced movements, maintaining optimal tension and extending the system's lifespan.

Implementation Method 1

a flexible tongue (20) having an end (21) adapt to be attached to the section bar (100) and an opposed end (22) adapt to be spaced therefrom to contact the upright (1000) and to serve as a spring between the section bar (100) and the upright (1000)

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS11434692B2Cushion for shading system
Publication Date: 2022.09.06 PLASTEX
  • US11434692B2 patent drawing
  • US11434692B2 patent drawing
  • US11434692B2 patent drawing

AI summary

The invention describes a cushion for shading system of the type comprising a piece of cloth slidingly fastened to a section bar of an upright. A raceway with a substantially C-shaped cross section serves to fasten the cushion to a section bar edge, and a flexible tongue, having an end on the raceway and an opposed end spaced therefrom in order to contact the upright, serves as a spring between the section bar and the upright, allowing the section bar to come nearer to the upright in a compression phase or to be spaced in a predetermined way in the absence of compression.